Perhaps you should try some spelling variations:
"research processes" » "research procedures", "research projects", "research progress", "research progresses", "research projectses", "research problemses"
"research proteases" » "research progresses", "research projektes", "research proteins"
"research prozess" » "research progress", "research propels", "research projects"
"research process" » "research progress", "research projects", "research problems"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("research processes") OR ((("research prozess") OR ("research proteases"))))) OR ("research process")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"research processes\") or (((\"research prozess\") OR (\"research proteases\"))))) or (\"research process\"))".
• Removing quotes may allow a broader search: (((( research processes ) or ((( research prozess ) OR ( research proteases ))))) or ( research process )).
• Adding a wildcard symbol may retrieve word variants: (((("research processes") or ((("research prozess") OR ("research proteases"))))) or ("research process"))*.